:root {
  --bg-color: #0d1117;
  --accent-color: #e67e22;
  --text-color: #f0f6fc;
  --text-muted: #8b949e;
  --card-bg: rgba(0, 0, 0, 0.45);
  --panel-bg: rgba(13, 17, 23, 0.85);
  --input-bg: rgba(255, 255, 255, 0.05);
  --input-border: rgba(255, 255, 255, 0.1);
  --item-bg: rgba(255, 255, 255, 0.03);
  --btn-hover: rgba(255, 255, 255, 0.1);
}

body.light-mode {
  --bg-color: #f6f8fa;
  --accent-color: #d35400;
  --text-color: #24292f;
  --text-muted: #57606a;
  --card-bg: rgba(255, 255, 255, 0.55);
  --panel-bg: rgba(246, 248, 250, 0.95);
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.15);
  --item-bg: #ffffff;
  --btn-hover: rgba(0, 0, 0, 0.05);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'DM Sans', sans-serif;
  overflow: hidden; 
}

::selection {
  background: var(--accent-color);
  color: #fff;
}
::-moz-selection {
  background: var(--accent-color);
  color: #fff;
}

#video-container {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000;
  z-index: 1;
}

#webcam, #overlay-canvas, #pointillism-canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scaleX(-1);
}

.vignette {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  box-shadow: inset 0 0 200px rgba(0, 0, 0, 0.9);
  pointer-events: none;
  z-index: 2;
}

#ui-layer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 10;
  overflow: hidden;
}

#top-bar {
  position: absolute;
  top: 0; left: 0; width: 100%;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  z-index: 20;
  pointer-events: none;
}

#top-bar > * { pointer-events: auto; }

.brand-pill {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--input-border);
  padding: 10px 20px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.brand-pill .brand {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 0;
}

.detection-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.detection-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.detection-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ff4757;
  transition: .4s;
  border-radius: 24px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

.detection-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.detection-switch input:checked + .detection-slider {
  background-color: #2ed573;
}

.detection-switch input:checked + .detection-slider:before {
  transform: translateX(22px);
}


.status-dot {
  background-color: #2ea043;
  width: 10px; height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px #2ea043;
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-button {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--input-border);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  box-sizing: border-box;
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  color: var(--text-color);
}
.icon-button:hover { background: var(--btn-hover); transform: scale(1.05); }

.btn-manage {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--input-border);
  padding: 10px 20px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-manage:hover {
  background: var(--btn-hover);
  border-color: var(--accent-color);
}

.btn-pill {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--input-border);
  border-radius: 30px;
  height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.btn-pill:hover {
  background: var(--btn-hover);
  border-color: var(--input-border);
  box-shadow: none;
}

#status-pill-container {
  position: absolute;
  bottom: 40px;
  left: 0; width: 100%;
  display: flex;
  justify-content: center;
  z-index: 20;
  pointer-events: none;
}

.status-pill {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--input-border);
  padding: 12px 24px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  color: var(--text-color);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  animation: slideUp 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--text-muted);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

button {
  background: rgba(230, 126, 34, 0.15);
  border: 1px solid rgba(230, 126, 34, 0.5);
  color: var(--text-color);
  padding: 12px 24px;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  touch-action: manipulation;
}

button:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 0 15px rgba(230, 126, 34, 0.4);
}


.memory-card {
  position: absolute;
  top: 0; left: 0;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 24px;
  width: 360px;
  pointer-events: auto;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: opacity 0.4s ease;
  opacity: 0;
  will-change: transform, opacity;
  color: var(--text-color);
  touch-action: manipulation;
}

.memory-card.visible {
  opacity: 1;
}

.memory-prompt {
  font-size: 16px;
  line-height: 1.55;
  margin-bottom: 16px;
  color: var(--text-color);
  word-break: break-word;
  opacity: 0.9;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--input-border);
  padding-top: 16px;
  margin-bottom: 12px;
}

.avatar {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-color), #a04000);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  color: #fff;
  object-fit: cover;
}

.name-role {
  flex-grow: 1;
}

.name-role h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.2px;
}

.confidence-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: 'DM Sans', sans-serif;
}
.conf-high { background: rgba(46, 160, 67, 0.2); color: #3fb950; }
.conf-med { background: rgba(227, 179, 65, 0.2); color: #e3b341; }
.conf-low { background: rgba(220, 53, 69, 0.2); color: #ff7b8a; }

.name-role p {
  color: var(--accent-color);
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.last-seen {
  font-size: 13px;
  color: var(--text-muted);
}

.btn-tts {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  cursor: pointer;
  position: absolute;
  top: 24px; right: 24px;
  transition: background 0.2s;
  z-index: 5;
}
.btn-tts:hover {
  background: var(--btn-hover);
  border-color: var(--input-border);
  box-shadow: none;
}

.unknown-card {
  text-align: center;
  width: 260px;
}

.unknown-card h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.2px;
}

/* Side Panel */
#side-panel {
  position: fixed;
  top: 0; right: -340px;
  width: 340px; height: 100vh;
  background: var(--panel-bg);
  backdrop-filter: blur(30px);
  z-index: 30;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-sizing: border-box;
  border-left: 1px solid var(--input-border);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
}

#side-panel.open {
  right: 0;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 24px 12px 24px;
  flex-shrink: 0;
}

.close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  padding: 0;
  color: var(--text-color);
  cursor: pointer;
}

.close-btn:hover {
  background: var(--btn-hover);
  box-shadow: none;
}

#enrollment-form-container {
  padding: 0 24px 24px 24px;
  overflow-y: auto;
  flex-grow: 1;
  min-height: 0;
}

#management-list-container {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-height: 0;
}

.management-controls {
  flex-shrink: 0;
  padding: 8px 24px 12px 24px;
  border-bottom: 1px solid var(--input-border);
}

.search-box input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  padding: 12px 14px;
  border-radius: 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent-color);
}

.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  padding: 12px 14px;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}
.form-group textarea {
  resize: vertical;
  height: 120px;
  line-height: 1.5;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}
body.light-mode .form-group select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.form-group select option {
  background: var(--bg-color);
  color: var(--text-color);
}

.btn-primary {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
  width: 100%;
  padding: 14px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 10px;
}
.btn-primary:hover {
  background: #d35400;
  border-color: #d35400;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--input-border);
  color: var(--text-color);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--btn-hover);
  border-color: var(--input-border);
  box-shadow: none;
}

/* List Groups & Items */
.group-header {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin: 20px 0 10px 0;
  border-bottom: 1px solid var(--input-border);
  padding-bottom: 6px;
}

.memory-list-item {
  background: var(--item-bg);
  padding: 12px;
  margin-bottom: 8px;
  border-radius: 12px;
  border: 1px solid var(--input-border);
  transition: background 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  display: flex;
  gap: 12px;
  align-items: center;
}
.memory-list-item:hover {
  background: var(--btn-hover);
}

.list-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--accent-color), #a04000);
  color: #fff;
  display: flex; justify-content: center; align-items: center;
  font-size: 13px; font-weight: 700;
  flex-shrink: 0;
}

.memory-list-info {
  flex-grow: 1;
  overflow: hidden;
}
.memory-list-info h3 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 2px 0;
  letter-spacing: -0.1px;
}
.memory-list-info p {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}
.prompt-snippet {
  margin-top: 2px !important;
  font-size: 12px !important;
  color: var(--text-color) !important;
  opacity: 0.85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.btn-icon {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex; justify-content: center; align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
}
.btn-icon:hover {
  background: var(--btn-hover);
  border-color: var(--text-color);
  box-shadow: none;
}
.btn-icon.danger {
  background: rgba(220, 53, 69, 0.05);
  color: #ff7b8a;
  border-color: rgba(220, 53, 69, 0.2);
}
.btn-icon.danger:hover {
  background: rgba(220, 53, 69, 0.2);
  border-color: #dc3545;
  box-shadow: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--input-border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Drag and Drop Zone */
#drop-zone {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(230, 126, 34, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  pointer-events: none;
}
.drop-content {
  text-align: center;
  pointer-events: none;
}
.drop-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-top: 16px;
  letter-spacing: -0.3px;
}

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 110;
  display: flex;
  justify-content: center;
  align-items: center;
}
.modal-content {
  background: var(--panel-bg);
  border: 1px solid var(--input-border);
  border-radius: 24px;
  padding: 32px;
  width: 420px;
  max-width: 90%;
  position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  text-align: center;
  color: var(--text-color);
}
.modal-content .close-btn {
  position: absolute;
  top: 15px; right: 15px;
}

/* ── Panel Backdrop Overlay ── */
#panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 29;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
#panel-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Toast Notifications ── */
#toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  align-items: flex-end;
}
.toast {
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--input-border);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 360px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  color: var(--text-color);
  font-size: 14px;
  font-family: 'DM Sans', sans-serif;
  line-height: 1.4;
  transform: translateX(calc(100% + 28px));
  opacity: 0;
  transition: transform 0.38s cubic-bezier(0.21, 1.02, 0.73, 1), opacity 0.3s ease;
  pointer-events: auto;
}
.toast.show {
  transform: translateX(0);
  opacity: 1;
}
.toast.hide {
  transform: translateX(calc(100% + 28px));
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--accent-color); }
.toast.error   { border-left: 3px solid #ef4444; }
.toast.info    { border-left: 3px solid #60a5fa; }

/* ── Face Scan Progress Ring ── */
#scan-progress {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
.scan-ring-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scan-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  overflow: visible;
}
.scan-ring-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.15);
  stroke-width: 5;
}
.scan-ring-fill {
  fill: none;
  stroke: var(--accent-color);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 175.93;
  stroke-dashoffset: 175.93;
  transition: stroke-dashoffset 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 0 5px rgba(230, 126, 34, 0.8));
}
#scan-count-text {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
  line-height: 1;
  position: relative;
  z-index: 1;
  letter-spacing: -0.5px;
}
#scan-count-text small {
  font-size: 13px;
  opacity: 0.65;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}
.scan-label {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 500;
  margin: 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ── Button polish ── */
button:active:not(.close-btn):not(.btn-tts):not(.btn-icon) {
  transform: scale(0.96);
}
.btn-icon:active {
  transform: scale(0.9);
}

/* ── Panel title ── */
#panel-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.3px;
}

/* ── Status pill states ── */
#status-pill-container {
  transition: opacity 0.25s ease;
}
#status-pill-container.scan-active {
  opacity: 0;
  pointer-events: none;
}
.status-pill.idle #status-spinner {
  display: none;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 56px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon {
  font-size: 44px;
  margin-bottom: 14px;
  display: block;
  opacity: 0.7;
}
.empty-state p {
  font-size: 14px;
  margin: 0 0 6px 0;
}
.empty-state small {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.75;
}

/* Shift toasts left when the side panel is open so they don't overlap */
#side-panel.open ~ #toast-container {
  right: calc(340px + 16px);
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}